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An approach to simulate the performance of an active noise control system is proposed. The simulated result is shown to be a good approximation to that of a real system. By means of this approach some examples which may not be easily realisable in practical implementations are studied. Results concerning causality and filtered-x-type algorithms are interesting. Simulations show that the investigated active noise control system needs a considerable causality margin to perform well. This is explained by the inverse modelling nature of the selected feedforward controller. An example of the delayed inverse modelling of a nonminimum-phase system is given in which the quality of the inverse modelling depends on the delays
Published in:
Control Theory and Applications, IEE Proceedings -
(Volume:145
,
Issue:
4
)
Date of Publication: Jul 1998
- Page(s):
- 423 - 426
- ISSN :
- 1350-2379
- INSPEC Accession Number:
- 6011970
- Digital Object Identifier :
- 10.1049/ip-cta:19982113
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Jul 1998
- Sponsored by :
- IET
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